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I remember the professor telling the class LacZ and LacY both are not inducible. Maybe one...

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Biology

I remember the professor telling the class LacZ and LacY bothare not inducible. Maybe one of them is but not both. Please helpexplain.

For each of the E. coli strains containing the lac operonalleles listed, indicate whether the strain is inducible,constitutive, or unable to express ?-galactosidase and permease.Provide an explanation for your prediction

C. I+ O+ Z- Y+ / I? O^c Z+ Y?

Answer & Explanation Solved by verified expert
4.2 Ratings (890 Votes)
Lac operon is the Kind of inducible operon while in absence of lactose operator will be blocked with a repressor protein the operon is consist of promoter operator three genes lacZ lacA and lacZ which make galactosidase permease    See Answer
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